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Price

The technology that the TV is based on.OLED Works without back-light, unlike LCD and LED. Thus it may show deeper black levels, and it's usually lighter and thinner than a LCD. In low ambient light, such as a dark room, the OLED screen achieves a higher contrast ratio than a LCD.

Plasma TVs are thin, lightweight and mountable on walls. The main advantage toward LCD is the capability of showing a more intense black.

LCD Liquid Crystal Displays. One of the most common techniqus today. It's a flat panel technology which uses liquid crystals sandwiched between two glass plates. These TVs can be even thinner than plasma screens, and usually are more energy efficient.

LED A newer version of LCD TVs that use light-emitting diodes as back-light. This allows them to show black and dark colours more intensively.

The higher the resolution, the better the picture quality.

Resolution

The TV has the capability to display 3D movies.

Active 3D uses battery driven glasses and is the most common technology that is compatible with basically all display techniques. A more uncommon technique is passive 3D where a polarization filter is used, for which polarized glasses are needed.